Credit Card Validator

Credential verification device

Free JavaScript function for credit card validation.
validation script
Notice that this utility does not deliver credit card validation capabilities that can only be provided within the servers. However, it is useful for catching mistakes and creating a more friendly GUI. Credit card specification has been taken from various Internet resources.

A benefit of this routines is the simplicity with which you can add extra maps as it is fully controlled by your computer. Even though no effort will be made to enter the information, it is recommended that you do not enter your own credit card number. Below you will find credit card numbers in a current format:

"13,16", × × × × × × × × × × × × × × × × × × Vorwahlen: Visa card must begin with the number " 4 " in the above example. The checksum is a logical value of either truth or fake, indicating whether the last sign of the credit card number is a Module 10 checksum.

Validation of credit card numbers has many advantages, such as reducing the number of payments that have to be sent back by the merchant and if payments are to be made off-line at a later date.

Validating credit card numbers has many advantages, such as reducing the number of payments that have to be sent back by the merchant and if payments are to be made off-line at a later date. These validations save a lot of valuable resources and save a lot of valuable resources by reducing the number of incorrect transaction.

It uses the Modulus check and validation process together with a bank sort code (BIN) validation to ensure that the card data is entered correctly and with minimal impact on the end user's name.